good job man, i gotta do the same thing on 2 of my used tanks, $50 35-40 gallon bowfront acrylic with silicone on it, and a free 55gal with scratches from those magnet glass cleaners.. only prob is i dont wanna deal with the 55 its only got an annoying scratch on the right side of the tank and is currently full of fish and water and now i want the tank looking better =\ oh well